14 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Lymphocytic or lymphoid interstitial ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC ... HIVAIDS #workup #diagnosis
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... On a Chest X-Ray ... seen and in many cases ... #Diagnosis #Radiology ... #Pulmonary #CXR
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Lymphangitic Carcinoma, Interstitial ... #CT #Patterns # ... #pulmonary #radiology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... anti-GBM ab, ANA, C3, C4 ... , anti-CCPCXR ... high resolution chest ... CT • Bronchoscopy
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... this is nodular interstitial ... #Clinical #Diagnosis ... #Radiology #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... indicates unknown cause ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
may aid in the diagnosis ... In this case, pulmonary ... confirmed with chest ... CT angiography. ... #photo #CXR #EmergencyMedicine
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... factor • May cause ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Physical stigmata of cor ... parenchyma Diagnosis ... CT) • Broncho-arterial ... Laboratory: • ANA, RF, CCP ... #differential #diagnosis